n. (noun) Similiar to Nate Dawg but usually reserved for a person who's first name starts with an R. Commonly used informally in a greeting in replace of someone's actual name. See also RJizzle
"What's up RDawg!!" .. "Not to much, Nate Dizzle!" R Dawg could be used to replace the nickname RJ for example.
by Nate Dizzle Fo Rizzle August 26, 2009